NAME

       Catmandu::Fix::marc_map - copy marc values of one field to a new field

SYNOPSIS

           # Append all 245 subfields to my.title
           marc_map('245','my.title')

           # Append an array of 245 subfields to the my.title array
           marc_map('245','my.title', split:1)

           # Copy the 245-$a$b$c subfields into the my.title hash in the order provided in the record
           marc_map('245abc','my.title')

           # Copy the 245-$c$b$a subfields into the my.title hash in the order c,b,a
           marc_map('245cba','my.title', pluck:1)

           # Copy the 100 subfields into the my.authors array
           marc_map('100','my.authors.$append')

           # Add the 710 subfields into the my.authors array
           marc_map('710','my.authors.$append')

           # Copy the 600-$x subfields into the my.subjects array while packing each into a genre.text hash
           marc_map('600x','my.subjects.$append.genre.text')

           # Copy the 008 characters 35-35 into the my.language hash
           marc_map('008_/35-35','my.language')

           # Copy all the 600 fields into a my.stringy hash joining them by '; '
           marc_map('600','my.stringy', join:'; ')

           # When 024 field exists create the my.has024 hash with value 'found'
           marc_map('024','my.has024', value:found)

           # Do the same examples now with the marc fields in 'record2'
           marc_map('245','my.title', record:record2)

           # Copy all 100 subfields except the digits to the 'author' field
           marc_map('100^0123456789','author')

           # Map all the 500 - 599 fields to my.notes
           marc_map('5**','my.motes')

           # Map the 100-a field where indicator-1 is 3
           marc_map('100[3]a','name.family')

DESCRIPTION

       Read our Wiki pages at <https://github.com/LibreCat/Catmandu/wiki/Fixes> for a complete
       overview of the Fix language.

SEE ALSO

       Catmandu::Fix